node_modules/@covalent/core/esm2015/common/behaviors/control-value-accesor.mixin.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingReturn,uselessCode} checked by tsc
 */
import { Subject } from 'rxjs';
/** @type {?} */
const noop = () => {
    // empty method
};
const ɵ0 = noop;
/**
 * @record
 */
export function IControlValueAccessor() { }
if (false) {
    /** @type {?} */
    IControlValueAccessor.prototype.value;
    /** @type {?} */
    IControlValueAccessor.prototype.valueChanges;
    /** @type {?} */
    IControlValueAccessor.prototype.onChange;
    /** @type {?} */
    IControlValueAccessor.prototype.onTouched;
}
/**
 * @record
 */
export function IHasChangeDetectorRef() { }
if (false) {
    /** @type {?} */
    IHasChangeDetectorRef.prototype._changeDetectorRef;
}
/**
 * Mixin to augment a component with ngModel support.
 * @template T
 * @param {?} base
 * @param {?=} initialValue
 * @return {?}
 */
export function mixinControlValueAccessor(base, initialValue) {
    return class extends base {
        /**
         * @param {...?} args
         */
        constructor(...args) {
            super(...args);
            this._value = initialValue instanceof Array ? Object.assign([], initialValue) : initialValue;
            this.onChange = (_) => noop;
            this.onTouched = () => noop;
            this._subjectValueChanges = new Subject();
            this.valueChanges = this._subjectValueChanges.asObservable();
        }
        /**
         * @param {?} v
         * @return {?}
         */
        set value(v) {
            if (v !== this._value) {
                this._value = v;
                this.onChange(v);
                this._changeDetectorRef.markForCheck();
                this._subjectValueChanges.next(v);
            }
        }
        /**
         * @return {?}
         */
        get value() {
            return this._value;
        }
        /**
         * @param {?} value
         * @return {?}
         */
        writeValue(value) {
            this.value = value;
            this._changeDetectorRef.markForCheck();
        }
        /**
         * @param {?} fn
         * @return {?}
         */
        registerOnChange(fn) {
            this.onChange = fn;
        }
        /**
         * @param {?} fn
         * @return {?}
         */
        registerOnTouched(fn) {
            this.onTouched = fn;
        }
    };
}
export { ɵ0 };
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